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C94300 Bronze vs. C99700 Brass

Both C94300 bronze and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C94300 bronze and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 9.7
25
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 32
46
Tensile Strength: Ultimate (UTS), MPa 180
380
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 150
200
Maximum Temperature: Mechanical, °C 110
160
Melting Completion (Liquidus), °C 820
900
Melting Onset (Solidus), °C 760
880
Specific Heat Capacity, J/kg-K 320
410
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 2.9
3.3
Embodied Energy, MJ/kg 47
53
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
78
Resilience: Unit (Modulus of Resilience), kJ/m3 77
120
Stiffness to Weight: Axial, points 5.2
8.3
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.2
13
Strength to Weight: Bending, points 7.4
14
Thermal Shock Resistance, points 7.1
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.5 to 3.0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 67 to 72
54 to 65.5
Iron (Fe), % 0 to 0.15
0 to 1.0
Lead (Pb), % 23 to 27
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0 to 1.0
4.0 to 6.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.0
0 to 1.0
Zinc (Zn), % 0 to 0.8
19 to 25
Residuals, % 0
0 to 0.3